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<FONT color="green">001</FONT>    package maze.gui;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.awt.Dimension;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.awt.GridLayout;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.io.IOException;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.net.URL;<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    import javax.swing.JEditorPane;<a name="line.8"></a>
<FONT color="green">009</FONT>    import javax.swing.JFrame;<a name="line.9"></a>
<FONT color="green">010</FONT>    import javax.swing.JPanel;<a name="line.10"></a>
<FONT color="green">011</FONT>    import javax.swing.JScrollPane;<a name="line.11"></a>
<FONT color="green">012</FONT>    import javax.swing.JSplitPane;<a name="line.12"></a>
<FONT color="green">013</FONT>    import javax.swing.JTree;<a name="line.13"></a>
<FONT color="green">014</FONT>    import javax.swing.event.TreeSelectionEvent;<a name="line.14"></a>
<FONT color="green">015</FONT>    import javax.swing.event.TreeSelectionListener;<a name="line.15"></a>
<FONT color="green">016</FONT>    import javax.swing.tree.DefaultMutableTreeNode;<a name="line.16"></a>
<FONT color="green">017</FONT>    import javax.swing.tree.TreeSelectionModel;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    /**<a name="line.19"></a>
<FONT color="green">020</FONT>     * This show help information<a name="line.20"></a>
<FONT color="green">021</FONT>     * @author Norwit Veun<a name="line.21"></a>
<FONT color="green">022</FONT>     */<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>    public class HelpInfo extends JPanel implements TreeSelectionListener<a name="line.24"></a>
<FONT color="green">025</FONT>    {<a name="line.25"></a>
<FONT color="green">026</FONT>       private JEditorPane htmlPane;<a name="line.26"></a>
<FONT color="green">027</FONT>       private JTree tree;<a name="line.27"></a>
<FONT color="green">028</FONT>       private URL helpURL;<a name="line.28"></a>
<FONT color="green">029</FONT>    <a name="line.29"></a>
<FONT color="green">030</FONT>       public HelpInfo()<a name="line.30"></a>
<FONT color="green">031</FONT>       {<a name="line.31"></a>
<FONT color="green">032</FONT>          super(new GridLayout(1, 0));<a name="line.32"></a>
<FONT color="green">033</FONT>          //Create the nodes.<a name="line.33"></a>
<FONT color="green">034</FONT>          pageInfo p = new pageInfo("Micro Mouse Maze Editor and Simulator", "help.html");<a name="line.34"></a>
<FONT color="green">035</FONT>          DefaultMutableTreeNode top = new DefaultMutableTreeNode(p);<a name="line.35"></a>
<FONT color="green">036</FONT>          createNodes(top);<a name="line.36"></a>
<FONT color="green">037</FONT>    <a name="line.37"></a>
<FONT color="green">038</FONT>          // create single select tree<a name="line.38"></a>
<FONT color="green">039</FONT>          tree = new JTree(top);<a name="line.39"></a>
<FONT color="green">040</FONT>          tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);<a name="line.40"></a>
<FONT color="green">041</FONT>    <a name="line.41"></a>
<FONT color="green">042</FONT>          //Listen for when the selection changes.<a name="line.42"></a>
<FONT color="green">043</FONT>          tree.addTreeSelectionListener(this);<a name="line.43"></a>
<FONT color="green">044</FONT>    <a name="line.44"></a>
<FONT color="green">045</FONT>          //Create the scroll pane and add the tree to it. <a name="line.45"></a>
<FONT color="green">046</FONT>          JScrollPane treeView = new JScrollPane(tree);<a name="line.46"></a>
<FONT color="green">047</FONT>    <a name="line.47"></a>
<FONT color="green">048</FONT>          //Create the HTML viewing pane.<a name="line.48"></a>
<FONT color="green">049</FONT>          htmlPane = new JEditorPane();<a name="line.49"></a>
<FONT color="green">050</FONT>          htmlPane.setEditable(false);<a name="line.50"></a>
<FONT color="green">051</FONT>          initHelpPage();<a name="line.51"></a>
<FONT color="green">052</FONT>          JScrollPane htmlView = new JScrollPane(htmlPane);<a name="line.52"></a>
<FONT color="green">053</FONT>    <a name="line.53"></a>
<FONT color="green">054</FONT>          //Add the scroll panes to a split pane.<a name="line.54"></a>
<FONT color="green">055</FONT>          JSplitPane splitPane = new JSplitPane();<a name="line.55"></a>
<FONT color="green">056</FONT>          splitPane.setLeftComponent(treeView);<a name="line.56"></a>
<FONT color="green">057</FONT>          splitPane.setRightComponent(htmlView);<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>          Dimension minimumSize = new Dimension(100, 50);<a name="line.59"></a>
<FONT color="green">060</FONT>          htmlView.setMinimumSize(minimumSize);<a name="line.60"></a>
<FONT color="green">061</FONT>          treeView.setMinimumSize(minimumSize);<a name="line.61"></a>
<FONT color="green">062</FONT>          splitPane.setDividerLocation(200);<a name="line.62"></a>
<FONT color="green">063</FONT>          splitPane.setPreferredSize(new Dimension(500, 300));<a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>          //Add the split pane to this panel.<a name="line.65"></a>
<FONT color="green">066</FONT>          add(splitPane);<a name="line.66"></a>
<FONT color="green">067</FONT>       }<a name="line.67"></a>
<FONT color="green">068</FONT>    <a name="line.68"></a>
<FONT color="green">069</FONT>       public void valueChanged(TreeSelectionEvent e)<a name="line.69"></a>
<FONT color="green">070</FONT>       {<a name="line.70"></a>
<FONT color="green">071</FONT>          DefaultMutableTreeNode node = (DefaultMutableTreeNode) tree.getLastSelectedPathComponent();<a name="line.71"></a>
<FONT color="green">072</FONT>    <a name="line.72"></a>
<FONT color="green">073</FONT>          if (node == null)<a name="line.73"></a>
<FONT color="green">074</FONT>             return;<a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>          Object nodeInfo = node.getUserObject();<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>          pageInfo page = (pageInfo) nodeInfo;<a name="line.78"></a>
<FONT color="green">079</FONT>          displayURL(page.pageURL);<a name="line.79"></a>
<FONT color="green">080</FONT>       }<a name="line.80"></a>
<FONT color="green">081</FONT>    <a name="line.81"></a>
<FONT color="green">082</FONT>       private static class pageInfo<a name="line.82"></a>
<FONT color="green">083</FONT>       {<a name="line.83"></a>
<FONT color="green">084</FONT>          public String pageName;<a name="line.84"></a>
<FONT color="green">085</FONT>          public URL pageURL;<a name="line.85"></a>
<FONT color="green">086</FONT>    <a name="line.86"></a>
<FONT color="green">087</FONT>          public pageInfo(String page, String filename)<a name="line.87"></a>
<FONT color="green">088</FONT>          {<a name="line.88"></a>
<FONT color="green">089</FONT>             pageName = page;<a name="line.89"></a>
<FONT color="green">090</FONT>             pageURL = HelpInfo.class.getResource("html/" + filename);<a name="line.90"></a>
<FONT color="green">091</FONT>             if (pageURL == null)<a name="line.91"></a>
<FONT color="green">092</FONT>             {<a name="line.92"></a>
<FONT color="green">093</FONT>                System.err.println("Couldn't find file: " + filename);<a name="line.93"></a>
<FONT color="green">094</FONT>             }<a name="line.94"></a>
<FONT color="green">095</FONT>          }<a name="line.95"></a>
<FONT color="green">096</FONT>    <a name="line.96"></a>
<FONT color="green">097</FONT>          public String toString()<a name="line.97"></a>
<FONT color="green">098</FONT>          {<a name="line.98"></a>
<FONT color="green">099</FONT>             return pageName;<a name="line.99"></a>
<FONT color="green">100</FONT>          }<a name="line.100"></a>
<FONT color="green">101</FONT>       }<a name="line.101"></a>
<FONT color="green">102</FONT>    <a name="line.102"></a>
<FONT color="green">103</FONT>       private void displayURL(URL url)<a name="line.103"></a>
<FONT color="green">104</FONT>       {<a name="line.104"></a>
<FONT color="green">105</FONT>          try<a name="line.105"></a>
<FONT color="green">106</FONT>          {<a name="line.106"></a>
<FONT color="green">107</FONT>             if (url != null)<a name="line.107"></a>
<FONT color="green">108</FONT>             {<a name="line.108"></a>
<FONT color="green">109</FONT>                htmlPane.setPage(url);<a name="line.109"></a>
<FONT color="green">110</FONT>             }<a name="line.110"></a>
<FONT color="green">111</FONT>    <a name="line.111"></a>
<FONT color="green">112</FONT>             else<a name="line.112"></a>
<FONT color="green">113</FONT>             {<a name="line.113"></a>
<FONT color="green">114</FONT>                htmlPane.setText("File Not Found");<a name="line.114"></a>
<FONT color="green">115</FONT>             }<a name="line.115"></a>
<FONT color="green">116</FONT>          }<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>          catch (IOException e)<a name="line.118"></a>
<FONT color="green">119</FONT>          {<a name="line.119"></a>
<FONT color="green">120</FONT>             System.err.println("Attempted to read a bad URL: " + url);<a name="line.120"></a>
<FONT color="green">121</FONT>          }<a name="line.121"></a>
<FONT color="green">122</FONT>       }<a name="line.122"></a>
<FONT color="green">123</FONT>    <a name="line.123"></a>
<FONT color="green">124</FONT>       private void createNodes(DefaultMutableTreeNode top)<a name="line.124"></a>
<FONT color="green">125</FONT>       {<a name="line.125"></a>
<FONT color="green">126</FONT>          DefaultMutableTreeNode category = null;<a name="line.126"></a>
<FONT color="green">127</FONT>          DefaultMutableTreeNode page = null;<a name="line.127"></a>
<FONT color="green">128</FONT>    <a name="line.128"></a>
<FONT color="green">129</FONT>          category = new DefaultMutableTreeNode(new pageInfo("Micro Mouse Simulator", "sim.html"));<a name="line.129"></a>
<FONT color="green">130</FONT>          top.add(category);<a name="line.130"></a>
<FONT color="green">131</FONT>    <a name="line.131"></a>
<FONT color="green">132</FONT>          page = new DefaultMutableTreeNode(new pageInfo("Simulation Interface", "sim_feat.html"));<a name="line.132"></a>
<FONT color="green">133</FONT>          category.add(page);<a name="line.133"></a>
<FONT color="green">134</FONT>    <a name="line.134"></a>
<FONT color="green">135</FONT>          category = new DefaultMutableTreeNode(new pageInfo("Maze Editor", "maze_editor.html"));<a name="line.135"></a>
<FONT color="green">136</FONT>          top.add(category);<a name="line.136"></a>
<FONT color="green">137</FONT>    <a name="line.137"></a>
<FONT color="green">138</FONT>          category = new DefaultMutableTreeNode(new pageInfo("AI Script Editor", "script_editor.html"));<a name="line.138"></a>
<FONT color="green">139</FONT>          top.add(category);<a name="line.139"></a>
<FONT color="green">140</FONT>    <a name="line.140"></a>
<FONT color="green">141</FONT>          page = new DefaultMutableTreeNode(new pageInfo("Script API", "api1.html"));<a name="line.141"></a>
<FONT color="green">142</FONT>          category.add(page);<a name="line.142"></a>
<FONT color="green">143</FONT>    <a name="line.143"></a>
<FONT color="green">144</FONT>          page = new DefaultMutableTreeNode(new pageInfo("Maze Methods", "api2.html"));<a name="line.144"></a>
<FONT color="green">145</FONT>          category.add(page);<a name="line.145"></a>
<FONT color="green">146</FONT>    <a name="line.146"></a>
<FONT color="green">147</FONT>          category = new DefaultMutableTreeNode(new pageInfo("Statistics Display", "stat.html"));<a name="line.147"></a>
<FONT color="green">148</FONT>          top.add(category);<a name="line.148"></a>
<FONT color="green">149</FONT>       }<a name="line.149"></a>
<FONT color="green">150</FONT>    <a name="line.150"></a>
<FONT color="green">151</FONT>       private void initHelpPage()<a name="line.151"></a>
<FONT color="green">152</FONT>       {<a name="line.152"></a>
<FONT color="green">153</FONT>          String help = "html/help.html";<a name="line.153"></a>
<FONT color="green">154</FONT>          helpURL = HelpInfo.class.getResource(help);<a name="line.154"></a>
<FONT color="green">155</FONT>          if (helpURL == null)<a name="line.155"></a>
<FONT color="green">156</FONT>          {<a name="line.156"></a>
<FONT color="green">157</FONT>             System.err.println("Couldn't open help file: " + help);<a name="line.157"></a>
<FONT color="green">158</FONT>          }<a name="line.158"></a>
<FONT color="green">159</FONT>          displayURL(helpURL);<a name="line.159"></a>
<FONT color="green">160</FONT>       }<a name="line.160"></a>
<FONT color="green">161</FONT>    <a name="line.161"></a>
<FONT color="green">162</FONT>       /**<a name="line.162"></a>
<FONT color="green">163</FONT>        * Create the GUI and show it.<a name="line.163"></a>
<FONT color="green">164</FONT>        */<a name="line.164"></a>
<FONT color="green">165</FONT>       public static void createAndShowGUI()<a name="line.165"></a>
<FONT color="green">166</FONT>       {<a name="line.166"></a>
<FONT color="green">167</FONT>          //Create and set up the window.<a name="line.167"></a>
<FONT color="green">168</FONT>          JFrame frame = new JFrame("Help Info");<a name="line.168"></a>
<FONT color="green">169</FONT>    <a name="line.169"></a>
<FONT color="green">170</FONT>          //Create and set up the content pane.<a name="line.170"></a>
<FONT color="green">171</FONT>          HelpInfo newContentPane = new HelpInfo();<a name="line.171"></a>
<FONT color="green">172</FONT>          newContentPane.setOpaque(true); //content panes must be opaque<a name="line.172"></a>
<FONT color="green">173</FONT>          frame.setContentPane(newContentPane);<a name="line.173"></a>
<FONT color="green">174</FONT>          //Locate it on the master frame.<a name="line.174"></a>
<FONT color="green">175</FONT>          frame.setLocation(maze.Main.getPrimaryFrameInstance().getLocation());<a name="line.175"></a>
<FONT color="green">176</FONT>    <a name="line.176"></a>
<FONT color="green">177</FONT>          //Display the window.<a name="line.177"></a>
<FONT color="green">178</FONT>          frame.setSize(800, 600);<a name="line.178"></a>
<FONT color="green">179</FONT>          frame.setVisible(true);<a name="line.179"></a>
<FONT color="green">180</FONT>       }<a name="line.180"></a>
<FONT color="green">181</FONT>    }<a name="line.181"></a>




























































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